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Testosterone replacement therapy and the risk of prostate cancer.

ABSTRACT: Understanding the role of testosterone replacement therapy (TRT) in the development and progression of prostate cancer is an important concept in treating patients with symptoms of hypogonadism. This article revealed a small number of mostly retrospective, observational studies describing the use of TRT in the general population, in men with prostatic intraepithelial neoplasia (PIN), in men with a history of treated prostate cancer, and in men on active surveillance for prostate cancer. The current literature does not report a statistically significant increase in the development or progression of prostate cancer in men receiving testosterone replacement for symptomatic hypogonadism, and the prostate saturation theory provides a model explaining the basis for these results. The use of TRT in men with a history of prostate cancer is considered experimental, but future results from randomized controlled trials could lead to a change in our current treatment approach.

SUBMITTER: Warburton D

PROVIDER: S-EPMC4814970 | biostudies-other | 2015 Nov-Dec

REPOSITORIES: biostudies-other

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Testosterone replacement therapy and the risk of prostate cancer.

Warburton Daniel D Hobaugh Christopher C Wang Grace G Lin Haocheng H Wang Run R

Asian journal of andrology 20151101 6

Understanding the role of testosterone replacement therapy (TRT) in the development and progression of prostate cancer is an important concept in treating patients with symptoms of hypogonadism. This article revealed a small number of mostly retrospective, observational studies describing the use of TRT in the general population, in men with prostatic intraepithelial neoplasia (PIN), in men with a history of treated prostate cancer, and in men on active surveillance for prostate cancer. The curr ...[more]

PMID: 25865848

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Project description:The associations of testosterone therapy (TTh) and statins use with prostate cancer remain conflicted. However, the joint effects of TTh and statins use on the incidence of prostate cancer, stage and grade at diagnosis, and prostate cancer-specific mortality (PCSM) have not been studied.We identified White (N = 74,181), Black (N = 9,157), and Hispanic (N = 3,313) men diagnosed with prostate cancer in SEER-Medicare 2007-2016. Prediagnostic prescription of TTh and statins was ascertained for this analysis. Weighted multivariable-adjusted conditional logistic and Cox proportional hazards models evaluated the association of TTh and statins with prostate cancer, including statistical interactions between TTh and statins.We found that TTh (OR = 0.74; 95% CI, 0.68-0.81) and statins (OR = 0.77; 95% CI, 0.0.75-0.88) were inversely associated with incident prostate cancer. Similar inverse associations were observed with high-grade and advanced prostate cancer in relation to TTh and statins use. TTh plus statins was inversely associated with incident prostate cancer (OR = 0.53; 95% CI, 0.48-0.60), high-grade (OR = 0.43; 95% CI, 0.37-0.49), and advanced prostate cancer (OR = 0.44; 95% CI, 0.35-0.55). Similar associations were present in White and Black men, but among Hispanics statins were associated with PCSM.Prediagnostic use of TTh or statins, independent or combined, was inversely associated with incident and aggressive prostate cancer overall and in NHW and NHB men. Findings for statins and aggressive prostate cancer are consistent with previous studies. Future studies need to confirm the independent inverse association of TTh and the joint inverse association of TTh plus statins on risk of prostate cancer in understudied populations. PREVENTION RELEVANCE: The study investigates a potential interaction between TTh and statin and its effect on incident and aggressive prostate cancer in men of different racial and ethnic backgrounds. These results suggest that among NHW and non-Hispanic Black men TTh plus statins reduced the odds of incident prostate cancer, high-grade and advance stage prostate cancer.

Dataset Information

Testosterone replacement therapy and the risk of prostate cancer.

Publications

Testosterone replacement therapy and the risk of prostate cancer.

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